Smoking during pregnancy and harm reduction in birth weight: a cross-sectional study. - Kataoka, Mariana Caricati; Carvalheira, Ana Paula Pinho; Ferrari, Anna Paula; Malta, Maíra Barreto; de Barros Leite Carvalhaes, Maria Antonieta; de Lima Parada, Cristina Maria Garcia (BMC Pregnancy & Childbirth, 2018)